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Finding the Fourth Proportional to 243,864.81, 336,648.50 and 183,458.51

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Solution

The fourth proportional to 243,864.81, 336,648.50 and 183,458.51 is: 253,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,864.81 : 336,648.50 = 183,458.51 : x
  2. Step 2: Convert to fraction form
    243,864.81/336,648.50 = 183,458.51/x
  3. Step 3: Cross multiply
    243,864.81x = 336,648.50 × 183,458.51
  4. Step 4: Simplify right side
    243,864.81x = 61,761,029,603.20
  5. Step 5: Solve for x
    x = 61,761,029,603.20/243,864.81
  6. Step 6: Final answer
    x = 253,259.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.